Title:
CONTROLLER OF PLANT
Document Type and Number:
Japanese Patent JPS5876902
Kind Code:
A
Abstract:
PURPOSE:To improve control performance, by constituting a dispersion type system of an operation processing part, a unit master and a double processing part, and inputting one of the unit master and the double processing part to the operation processing part. CONSTITUTION:A feed command 59 is inputted to a unit master 1. At a regular time, each operation processing part 5-12 selects an output of the unit master 1 by a signal switching part, inputs it, and controls each operating terminal. Also, when one of tie operation processing parts has becomes faulty, a generator output command outputted to both the unit master 1 and a double processing part 13 from a manual setting device 25 executes control by a command from the double processing part 13 even if the unit master 1 becomes faulty, and also a generator output can be set manually. The double controlled variable prevents a blind operation by the operation processing part even if any operation part becomes faulty.
Inventors:
OOKI RIYUUHEI
INOUE TOSHIO
INOUE TOSHIO
Application Number:
JP17473381A
Publication Date:
May 10, 1983
Filing Date:
October 31, 1981
Export Citation:
Assignee:
ISHIKAWAJIMA HARIMA HEAVY IND
International Classes:
F01K13/02; G05B7/02; G05B9/03; (IPC1-7): F01K13/02; G05B7/02
Attorney, Agent or Firm:
Tsunemitsu Yamada